Home / 136,282.96-204,426.24-42,788.71

Finding the Fourth Proportional to 136,282.96, 204,426.24 and 42,788.71

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Solution

The fourth proportional to 136,282.96, 204,426.24 and 42,788.71 is: 64,183.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,282.96 : 204,426.24 = 42,788.71 : x
  2. Step 2: Convert to fraction form
    136,282.96/204,426.24 = 42,788.71/x
  3. Step 3: Cross multiply
    136,282.96x = 204,426.24 × 42,788.71
  4. Step 4: Simplify right side
    136,282.96x = 8,747,135,099.75
  5. Step 5: Solve for x
    x = 8,747,135,099.75/136,282.96
  6. Step 6: Final answer
    x = 64,183.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.